| Villareal to Smolyan | 1,298.45 mi (2,089.65 km) |
| Villareal to Sofia | 1,226.73 mi (1,974.23 km) |
| Villareal to Sopot | 1,298.83 mi (2,090.27 km) |
| Villareal to Sozopol | 1,449.37 mi (2,332.53 km) |
| Villareal to Sredets | 1,424.08 mi (2,291.84 km) |
| Villareal to Stamboliyski | 1,288.29 mi (2,073.31 km) |
| Villareal to Stara Zagora | 1,344.84 mi (2,164.31 km) |
| Villareal to Svilengrad | 1,374.97 mi (2,212.81 km) |
| Villareal to Svishtov | 1,330.31 mi (2,140.93 km) |
| Villareal to Targovishte | 1,391.62 mi (2,239.59 km) |
| Villareal to Teteven | 1,274.46 mi (2,051.05 km) |
| Villareal to Troyan | 1,297.20 mi (2,087.65 km) |
| Villareal to Tryavna | 1,336.86 mi (2,151.47 km) |
| Villareal to Tutrakan | 1,394.62 mi (2,244.42 km) |
| Villareal to Varna | 1,458.75 mi (2,347.62 km) |
